Wifi and Bluetooth

Hey guy, my laptop (DELL INSPIRON 3421) is using BCM943142HM chipset wifi card. I've tried all kexts from OC guide but I can't get the wifi working. Is there anyway to help to fix this. Thanks a lot for that

https://preview.redd.it/w2ztrc78uy851.png?width=355&format=png&auto=webp&s=4b753b15850f57c65d220602321c2028937b1e76